Magnetofon Revox model 636 G 36 cu amplificare si difuzor incorporat

  Magnetofon Revox model 636 G 36 cu amplificare si difuzor incorporat : carcasa, VUmetre, counter, made in Germany, poze reale.

Tape speed

3 3/4 and 7 1/2 ips, pole-switching capstan motor, direct drive (motor may be switched off, if recorder is used as an amplifier)

Flutter and wow

below ± 0,1% at 7 1/2 ips

Rewind time

approx. 80 seconds of a 2400 feet reel

Max. reeldiameter

up to 25 cm (10 1/2")

Frequency response

40 - 15'000 cycles at 7 1/2 ips +2/-3 db
40 - 12'000 cycles at 3 3/4 ips +2/-3 db

Equalization

in accordance with CCIR standards.
70 micro-seconds at 7 1/2 ips.
140 micro-seconds at 3 3/4 ips.

Signal to noise ratio

Better than 52 db at peak record level (2 track)
Better than 50 db at peak record level (4 track)

Dynamic range (overall)

2-track recorder:

55 db at 7 1/2 ips

53 db at 3 3/4 ips

4-track recorder

52 db at 7 1/2 ips

50 db at 3 3/4 ips

(Thd.= 3%)

Crosstalk

Mono 55 db

stereo 40 db

Oscillator-bias frequency

70'000 cycles,

push-pull oscillator

Inputs per channel

1. microphone

= 1 Megohm, 3 mV

2. Radio

= 1 Megohm, 50 mV

3. Diode

= 47 K'ohms, 3 - 50 mV, adjustable

Outputs

2 cathode-follower outputs, impedance = 5'000 ohms (input impedance of amplifier to be connected should be higher than 100'000 ohms.)

Output voltage
= 0.6 volts - (2 track)
= 0,4 volts - (4 track)

1 loudspeaker output 5 ohms, 6 watt Push-pull power amplifier, internal speaker may be switched off.

Tube complements

4 x ECC 81, 1 x ECC 82, 5 x ECC 83, 2 x ECL 86, 1 x EM 801,
3 diodes, 3 selenium rectifiers

Power line voltage

110, 240 volts, 50 cycles

Power requirements

approximately 120 watt

Fuses

for 220-240 volts: 0.6 Amps) 5 x 20 mm slow-blow
for 110-145 volts: 1,2 Amps) 5 x 20 mm slow-blow